.header,.content,.footer{
    width: 1280px;
    margin: 0 auto;
}

.header .toolbar-bg {
    background-color: #000;
    color: #fff;
}

.header .toolbar-bg .toolbar {
    font-size: 12px;
    margin: 0 150px;
    height: 40px;
    line-height: 40px;
}

.header .toolbar-bg .toolbar .toolbar-fl {
    float: left;
}

.header .toolbar-bg .toolbar .toolbar-fr {
    float: right;
}

.header .toolbar-bg .toolbar .toolbar-fr span a {
    color: #fff
}
.header .toolbar-bg .toolbar .toolbar-fr span:first-child{
    margin-right: 42px;
}
.header .logo{
    width: 100%;
    height: 35px;
    background-color: #fff;
    text-align: center;
    padding: 29.5px 0;
    /* line-height: 94px; */
}
.header .logo a{
    width: 263px;
    height: 35px;
    display: inline-block;
}
.header .nav{
    width: 1280px;
    height: 45px;
    background: #1f1f1f;
}
.header .nav ul{
    margin: 0 150px;
    list-style-type: none;
    padding: 0 90px;
    /* text-align: center; */
}
.header .nav ul li{
   float: left;
   margin-right: 15px;
}
.header .nav ul li a{
    text-decoration: none;
    color: #fff;
    font-size: 16px;
    line-height: 45px;
    padding: 12px;
}
.header .nav ul li .first{
    background-color: #000000;
} 
.header .nav ul li a:hover{
    background-color: #000000;
}
.content .banner{
    width: 1280px;
    height: 529px;
    font-size: 0;
}
.content .banner a{
    position: relative;
    width: 151px;
    height: 529px;
    display: inline-block;
}
.content .banner a:nth-child(1){
    background: url(../images/banner-01.png) no-repeat;
    background-position: -385px 0;
}
.content .banner a img{
    position: absolute;
    left: 61.5px;
    top: 243px;
}
.content .banner a:nth-child(2){
    width: 978px;
    background: url(../images/banner-02.png) no-repeat;
}
.content .banner a:nth-child(3){
    background: url(../images/banner-03.png) no-repeat;
}
.footer .footer-nav{
    width: 1280px;
    height: 37px;
    background: #1f1f1f;
}
.footer .footer-nav ul{
    margin: 0 150px;
    list-style-type: none;
    padding: 0 90px;
    /* text-align: center; */
}
.footer .footer-nav ul li{
   float: left;
   margin-right: 15px;
}
.footer .footer-nav ul li a{
    text-decoration: none;
    color: #fff;
    font-size: 12px;
    line-height: 45px;
    padding: 14px;
}
.footer .footer-detail{
    height: 105px;
    background-color: #000;
    font-size: 12px;
    color: #fff;
    padding-top: 23px;
}
.footer .footer-detail ul{
    width: 978px;
    margin: 0 auto;
}
.footer .footer-detail ul li{
    text-align: center;
    display: inline-block;
    /* float: left; */
}
.footer .footer-detail ul li span{
    display: inline-block;
}
.footer .footer-detail ul li:nth-child(1){
    width: 205px;
}
.footer .footer-detail ul li:nth-child(1) table{
    width: 174px;
}
.footer .footer-detail ul li:nth-child(2){
    width: 395px;
    padding: 0 68px;
    border-right: 1px solid #fff;
    border-left: 1px solid #fff;
}
.footer .footer-detail ul li:nth-child(2) span{
    margin-bottom: 14px;
}
.footer .footer-detail ul li:nth-child(3){
    width: 232px;
}
.footer .footer-detail ul li:nth-child(3) section{
    display: inline-block;
}
.footer .footer-detail ul li:nth-child(3) span{
    display: block;
}
@media screen and  (max-width:400px) {
    .header, .content, .footer {
        width: 100%;
        margin: 0;
        height: auto;
    }
    .header .toolbar-bg .toolbar {
        margin: 0px 6px;
        height: auto;
        line-height: 20px;
    }
    .header .toolbar-bg .toolbar .toolbar-fl {
        float: none;
    }
    .header .toolbar-bg .toolbar .toolbar-fr {
        float: none;
    }
    .header .toolbar-bg .toolbar .toolbar-fr span:first-child {
        margin-right: 6px;
    }
    .header .logo {
        padding: 7px 0;
        /* line-height: 94px; */
    }
    img {
        width: 152px;
    }
    .header .nav {
        width: 100%;
        height: 23px;
    }
    .header .nav ul {
        margin: 0;
        padding: 0 10px;
        /* text-align: center; */
    }
    .header .nav ul li {
        margin-right: 7px;
    }
    .header .nav ul li a {
        text-decoration: none;
        color: #fff;
        font-size: 12px;
        line-height: 21px;
        padding: 0px;
    }
    .content .banner {
        width: 100%;
        height: auto;
    }
    .content .banner a {
        width: 100px;
        height: 112px;
    }
    .content .banner a img {
        position: absolute;
        left: 32.5px;
        top: 38px;
        width: 20px;
    }
    .content .banner a:nth-child(2) {
        width: 200px;
        background-size: cover;
    }
    .footer .footer-nav {
        width: 100%;
        height: 23px;
    }
    .footer .footer-nav ul {
        margin: 0;
        padding: 0;
        /* text-align: center; */
    }
    .footer .footer-nav ul li {
        margin: 2px;
    }
    .footer .footer-nav ul li a {
        line-height: 18px;
        padding: 5px 2px;
    }
    .footer .footer-detail {
        height: auto;
        padding-top: 6px;
    }
    .footer .footer-detail ul {
        width: 100%;
    }
    .footer .footer-detail ul li:nth-child(1) {
        width: 150px;
        margin: 0 auto;
        display: block;
    }
    .footer .footer-detail ul li:nth-child(1) table {
        width: 150px;
        font-size: 8px;
    }
    .footer .footer-detail ul li:nth-child(2) {
        width: auto;
        padding: 0 2px;
    }
    .footer .footer-detail ul li:nth-child(2) span {
        margin-bottom: 2px;
    }
    .footer .footer-detail ul li img{
        width: 40px;
    }
}